for
what value of x, x^2+8x+163 is
a perfect cube?
Answers
Answer:
if x=10, then 10^2+8×10+163=100+80+163=343=7^3,a perfect cube
Step-by-step explanation:
Answer
Explanation:
here is your code
of cube
[tx]<!DOCTYPE html>
<html lang="en">
<head>
<title>CUBE</title>
</head>
<body>
<div class="container">
<div id="cube">
<div class="front">☺️</div>
<div class="back">☺️</div>
<div class="right">☺️</div>
<div class="left">☺️</div>
<div class="top">☺️</div>
<div class="bottom">☺️</div>
</div>
</div>
<style>
body {
padding-left: 30%;
padding-top: 5%;
}
.container {
width: 200px;
height: 200px;
position: relative;
-webkit-perspective: 1000px;
-moz-perspective: 1000px;
}
#cube {
width: 100%;
height: 100%;
position: absolute;
-webkit-transform-style: preserve-3d;
-webkit-animation: rotatecube 10s infinite;
-moz-transform-style: preserve-3d;
-moz-animation: rotatecube 10s infinite;
}
#cube div {
width: 200px;
height: 200px;
display: block;
position: absolute;
border: none;
line-height: 200px;
text-align: center;
font-size: 50px;
font-weight: bold;
}
@-webkit-keyframes rotatecube {
0% { -webkit-transform: rotateX(0deg) rotateY(360deg) rotateZ(90deg); }
25% { -webkit-transform: rotateX(90deg) rotateY(270deg) rotateZ(180deg); }
50% { -webkit-transform: rotateX(180deg) rotateY(180deg) rotateZ(0deg); }
75% { -webkit-transform: rotateX(270deg) rotateY(90deg) rotateZ(360deg); }
100% { -webkit-transform: rotateX(360deg) rotateY(0deg) rotateZ(270deg); }
}
@-moz-keyframes rotatecube {
0% { -moz-transform: rotateX(0deg) rotateY(360deg) rotateZ(90deg); }
25% { -moz-transform: rotateX(90deg) rotateY(270deg) rotateZ(180deg); }
50% { -moz-transform: rotateX(180deg) rotateY(180deg) rotateZ(0deg); }
75% { -moz-transform: rotateX(270deg) rotateY(90deg) rotateZ(360deg); }
100% { -moz-transform: rotateX(360deg) rotateY(0deg) rotateZ(270deg); }
}
.front {
background: rgba(255,0,0,.5);
}
.back {
background: rgba(0,255,0,.5);
}
.right {
background: rgba(0,0,255,.5);
}
.left {
background: rgba(0,255,255,.5);
}
.top {
background: rgba(255,0,255,.5);
}
.bottom {
background: rgba(255,255,0,.5);
}
#cube .front {
-webkit-transform: rotateY(0deg ) translateZ( 100px );
-moz-transform: rotateY( 0deg ) translateZ( 100px );
}
#cube .back {
-webkit-transform: rotateX( 180deg ) translateZ( 100px );
-moz-transform: rotateX( 180deg ) translateZ( 100px );
}
#cube .right {
-webkit-transform: rotateY( 90deg ) translateZ( 100px );
-moz-transform: rotateY( 90deg ) translateZ( 100px );
}
#cube .left {
-webkit-transform: rotateY( -90deg ) translateZ( 100px );
-moz-transform: rotateY( -90deg ) translateZ( 100px );
}
#cube .top {
-webkit-transform: rotateX( 90deg ) translateZ( 100px );
-moz-transform: rotateX( 90deg ) translateZ( 100px );
}
#cube .bottom {
-webkit-transform: rotateX( -90deg ) translateZ( 100px );
-moz-transform: rotateX( -90deg ) translateZ( 100px );
}
</style>
</body>
</html>[/tex]
Change [tx] to [tex]